1 files changed, 3 insertions, 0 deletions

diff --git a/src/keymap.h b/src/keymap.h
index 2524c9af45b..39265fe865e 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -47,5 +47,8 @@ extern void initial_define_lispy_key P_ ((Lisp_Object, char *, char *));
 extern void syms_of_keymap P_ ((void));
 extern void keys_of_keymap P_ ((void));
 
+typedef void (*map_keymap_function_t)
+     P_ ((Lisp_Object, Lisp_Object, Lisp_Object, void*));
+extern void map_keymap P_ ((Lisp_Object map, map_keymap_function_t fun, Lisp_Object largs, void* cargs, int autoload));
 
 #endif